the402 x402 endpoint directory

Pass a token contract address and get a risk score + flags (ERC-20 conformance, ownership renounce, upgradeable proxy)

All active soccer markets with live probabilities in one call — One-call board of the most active soccer prediction ma

All active NFL football markets with live probabilities in one call — One-call board of the most active NFL football p

All active NBA basketball markets with live probabilities in one call — One-call board of the most active NBA basketba

All active MLB baseball markets with live probabilities in one call — One-call board of the most active MLB baseball p

All active science and technology markets with live probabilities in one call — One-call board of the most active scie

All active world politics markets with live probabilities in one call — One-call board of the most active world politi

All active US politics markets with live probabilities in one call — One-call board of the most active US politics pre

All active entertainment markets with live probabilities in one call — One-call board of the most active entertainment

B20 Asset tokens do NOT apply multiplier() to balanceOf() — measured on chain: a multiplier moved 1.0→2.0 while holder

Compress up to 16K characters of anything — articles, transcripts, email threads, reports — into 3-5 precise bullet po

Recent transfers of a specific token for a wallet — direction (in/out), amount, USD value, counterparty, tx hash and t

Wallet age in days, first & last activity timestamps, and outgoing transaction count for any Base address — read strai

Checks whether a specific wallet is authorized under a B20 token's transfer-sender policy. If it isn't, that wallet ca

The B20-only rug vector: a token can launch clean and later attach a sender blocklist (PolicyUpdated) — silently becom

🆕 B20 Stablecoin tokens self-declare a fiat currency code (currency() → USD, EUR, …). Reads that declared peg alongsi

🆕 B20 Asset tokens can post on-chain announcements (Announcement: id, description, uri) — issuer notices, corporate a

🆕 A B20 transfer policy is either a BLOCKLIST (allowed unless listed) or an ALLOWLIST (allowed ONLY if listed — a per

🆕 Every B20 has ERC-2612 permit built in — approve a spender by signature instead of a transaction. Reads exactly wha

🆕 B20 adds memos to transfers/mints/burns (transferWithMemo) for payment IDs, compliance tags and settlement correlat

🆕 b20-supply shows the dilution ceiling; this shows the actual printing. Every mint (incl. batchMint) in the window:

Send an HPKE-sealed literature query to Aubrai and receive an encrypted result. The transport terminates at Aubrai; li

Get detailed information for a specific airport by its code

Full agricultural commodity report with AI summary

🆕 Since Pectra an EOA can carry EIP-7702 delegated code (the 0xef0100 designator): every call to the wallet executes

Latest major altcoin news (Solana, XRP, Cardano, Dogecoin, BNB, Polkadot, Avalanche), filtered from CoinDesk RSS by ke

Determine a domain's age from registration data and archival history — tries RDAP, then port-43 WHOIS, then a Wayback-

Fetch public metadata for any GitHub repository — stars, forks, open issues, language breakdown, license, contributors

Parse any cron expression into a human-readable explanation, validate its syntax, compute the next 5 scheduled run tim

Check username availability across 20+ social platforms and developer sites simultaneously — returns which platforms h

Validate a domain's DNSSEC configuration over DNS-over-HTTPS: DS records at the parent zone, DNSKEY records at the dom

Query a domain's DNS record across 10 geographically distributed public resolvers simultaneously — returns what each r

Convert messy HTML or text into clean, well-structured Markdown using Claude Haiku — strips boilerplate, fixes heading

Dark web intelligence from Telegram: marketplace listings, forum chatter, access broker posts, credential shops, Tor s

Extracts and analyzes YouTube video transcripts into a structured research report with cited timestamps, not a generic

Deterministic 0-100 rug-probability score combining security flags, holder concentration, LP lock and liquidity depth

Pass a comma-separated list of up to 25 addresses and get an OFAC sanctions result for each, plus the flagged subset.

Combined counterparty screening for an address: direct OFAC sanctions match, EOA/contract profile, and (for contracts)

Reads the EIP-1967 proxy slots live: is the contract upgradeable, what's the current implementation, and WHO can upgra

Goes past 'top-10 = X%' to classify the holder base: how much the creator & owner still hold, which top holders are in

Give a token and a trade size in USD → the deepest Base pool to route through, estimated price impact, a suggested sli

🆕 A B20 Stablecoin's currency() is SELF-DECLARED — the standard verifies nothing. This is the missing check: declared

🆕 An Asset B20's multiplier rescales EVERY holder's balance in one call — no transfer, no per-account event, nothing

Returns the profile for one US spot crypto ETF issuer.

Compares all trading US spot crypto ETFs side by side.

UK licensed HMOs in a postcode area. Returns all licensed Houses in Multiple Occupation registered with the local coun

Pull a single still frame out of a video without transcoding the whole file. Send a video_url and pick frame_type: fir

Deterministic behavioral scan of an npm package, repo, skill, or file for malicious signals, with evidence bound to a

Heuristic ethics and constitution-style review of a prompt excerpt. Returns pass/fail, violation flags, and severity f

PolySignal ranks current Polymarket opportunities by EV, confidence, size hint, risk, and staleness for agent research